If successful, NHS England plans to extend the rollout to a further one million people in 2024 and 2025.
If cancer is found early – known as stage one or two – people typically have a wider range of available treatments which are usually less aggressive.
When cancer is diagnosed at the earliest stage, a patient typically has between five and 10 times the chance of surviving compared with those found at stage four.
GRAIL Europe’s Head of Cancer Intelligence, Sara Hiom, told Express.co.uk: “In terms of the trial, it’s unique, it’s pretty special.
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